Vermont Demonstration Project: Route 2 – East Montpelier Bridge Reconstruction
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Vermont Demonstration Project: Route 2 – East Montpelier Bridge Reconstruction

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  • English

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      Final Report
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    • Abstract:
      As part of a national initiative sponsored by the Federal Highway Administration under the Highways for LIFE program, the Vermont Agency of Transportation (VTrans) was awarded a $540,000 grant to demonstrate the use of proven, innovative technologies to build a high-quality bridge with state-of-the-art design and materials that will last longer than conventional construction. The structure is located on the National Highway System in rural East Montpelier, VT, on US Route 2 over the Winooski River, approximately 1 mile east of the intersection of US Route 2 and VT Route 14. The replacement structure is a single span integral abutment bridge with weathering steel girders, bare high performance concrete deck reinforced with solid stainless steel, topped with a curbless, pedestal mounted rail. With no joints that can fall into disrepair and leak, no curbs that retain salt-laden runoff and accelerate deck deterioration, no bearings that can corrode and freeze, and no beam paint system that can fail, the project accomplished its goal of designing and building a structure that is reduced to its most basic components, incorporates durable materials, is virtually maintenance free, and has lower life cycle costs than a conventional structure. With wider lanes and ample shoulder widths, the new bridge addresses safety concerns over numerous collisions and “near misses” at the site and easily will accommodate the truck traffic on this National Highway System highway. VTrans minimized construction congestion and time and worker exposure to traffic through construction of a two-way detour bridge adjacent to the site, which enabled the Agency to complete the project in one season instead of two. A comprehensive economic analysis including the anticipated long-term maintenance costs shows that the project saved $932,800 (or 47 percent compared to traditional methods). The project saved money and demonstrates that the HfL program concepts apply not only to large, complex bridge projects, but also to smaller, rural bridge projects
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